package com.yeyaomai.dksns.flowis.dao;

import java.util.List;

import com.yeyaomai.dksns.flowis.domain.UserReturnRate;

//用户回头率
public interface UserReturnRateDao {

	void add(UserReturnRate userReturnRate);

	UserReturnRate getById(long id);

	List<UserReturnRate> getByDate(String start, String end);

}
